Primary,secondary,tertiary bronchi and initia | vedclass

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Question

(B) The human respiratory tract is supported by cartilaginous rings to prevent the collapse of the airways during breathing.Specifically,the trachea,p

Vedclass · Accepted Answer

Incomplete cartilaginous rings

Vedclass · Answer

(B) The human respiratory tract is supported by cartilaginous rings to prevent the collapse of the airways during breathing.Specifically,the trachea,primary bronchi,secondary bronchi,tertiary bronchi,and initial bronchioles are supported by incomplete cartilaginous rings.These rings are 'incomplete' ($C$-shaped) to allow for the expansion of the esophagus during swallowing and to provide structural flexibility.Therefore,the correct option is $B$.

Primary,secondary,tertiary bronchi and initial bronchioles are supported by:

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